Extreme binocular vision and a straight bill facilitate tool use in New Caledonian crows

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Visual coverage and scanning behavior in two corvid species: American crow and Western scrub jay

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Tool use by wild New Caledonian crows Corvus moneduloides at natural foraging sites

(2010) L. A. Bluff et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

The Ecological Significance of Tool Use in New Caledonian Crows

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What is binocular vision for? A birds' eye view

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Insightful problem solving and creative tool modification by captive nontool-using rooks

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